Footwear tread



FIG. 1 is a perspective view of a footwear tread design showing my new design on an overshoe;

FIG. 2 is a bottom plan view of the tread design;

FIG. 3 is a side view of one side of the tread design, the other side being a mirror image thereof;

FIG. 4 is an end view of the toe end of the tread design; and,

FIG. 5 is an end view of the heel end of the tread design. 

The ornamental design for a footwear tread, as shown and described. 